Helicopter Sikorsky CH-3C Serial 61-516 Register 63-9684 used by US Air Force USAF. Built 1964. Aircraft history and location Aircraft History 63-9684 US Air Force 1964-06-04del USAF as CH-3C 63-9684, 04Jun64 xfer 341st SMW, Malmstrom AFB, MT (SAC) Destroyed on ground, 1965. Send Updates Use APP to upload photo @ (optional) When Now? / / Send